_units-of-length-measuring-and-calculating.jpg "Units of length – measuring and calculating from km m cm mm dm Video Screenshot Preview")
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⏲ Duration: 17 min 50 sec
✓ Published: 02-Jan-2015
✓ Published: 02-Jan-2015
Description:
The DVD starts with a look back into the past. How did peop- le measure in former times? What historical units of measure- ment were there? What is the standard metre? Since when has there been a system of units? Subsequently, the units of measurement – metre (m), centimetre (cm), milllimetre (mm), decimetre (dm) and kilo- metre (km) – are examined more closely. In a third chapter, an overview of the conversions is presented and their systematics explained. Decimal points and the prefixes ar
The DVD starts with a look back into the past. How did peop- le measure in former times? What historical units of measure- ment were there? What is the standard metre? Since when has there been a system of units? Subsequently, the units of measurement – metre (m), centimetre (cm), milllimetre (mm), decimetre (dm) and kilo- metre (km) – are examined more closely. In a third chapter, an overview of the conversions is presented and their systematics explained. Decimal points and the prefixes ar
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